1
7-3
4
8-4
4
7-6
1
9-3
6
7-0
7
12-11
1
16-3
13
19-7
12
20-10
10
17-4
13
28-16
12
35-10
25
27-16
11
22-12
10
31-10
21
65-3
62
99-4
95
76-2
74
86-6
80
96-5
91
What is a column?
A vertical line that separates the ones and tens place.
What is double digit subtraction?
Subtracting with two digits in each number.
What is borrowing?
When you take away more than you have so you need to borrow from the tens column.
What is a please holder?
When you subtract a double digit by a single digit and you put a zero to fill in the blank space.
365-215
150